Are testosterone levels actually declining?
And does it matter?
Learn more: https://linktr.ee/stillmanmd

00:04 Serum testosterone levels are actually declining.

02:12 Testosterone levels are declining in American men, regardless of age.

06:15 Testosterone levels are declining in younger men compared to older generations.

08:24 Testosterone levels have declined by 100 to 200 points in the last 20-30 years.

12:42 Postpubertal castration can lead to low testosterone levels and impact the phenotype of men.

14:48 Low testosterone levels can lead to lack of drive and enthusiasm for life.

18:58 Castration in Renaissance Europe did not reduce longevity.

20:51 Eating testicles does not increase testosterone due to the first-pass effect in the liver.

24:39 There is no statistically significant difference in life expectancy or age of death between men with and without testosterone therapy.

26:34 Optimal levels of testosterone in men are important due to the impact of endocrine disrupting chemicals.

30:19 The global economy has a perverse incentive to create a socioeconomic system that suppresses testosterone levels.